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Symbian3/SDK/Source/GUID-18D92465-3F62-55CF-8229-EE811FD5F568.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
changeset 13 48780e181b38
parent 8 ae94777fff8f
permissions -rw-r--r--
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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<?xml version="1.0" encoding="utf-8"?>
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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<!-- This component and the accompanying materials are made available under the terms of the License
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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"Eclipse Public License v1.0" which accompanies this distribution,
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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<!-- Initial Contributors:
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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    Nokia Corporation - initial contribution.
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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Contributors:
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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-->
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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<!DOCTYPE concept
ae94777fff8f Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 7
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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48780e181b38 Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 8
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<concept xml:lang="en" id="GUID-18D92465-3F62-55CF-8229-EE811FD5F568"><title>Stream networks</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>When a store stream is created, a stream ID is generated. This ID can be used to open the stream later. Stream IDs can be externalised into another stream, and this allows streams in a store to be built into a network.</p> <p>An object that is saved to a store may use a network of streams, typically starting with a single head stream.</p> <p>An object stores itself using a function of the form:</p> <codeblock id="GUID-A150BE2B-BCC6-52DC-BEB4-826FDDB28C09" xml:space="preserve">streamId=object.StoreL(store);</codeblock> <p>Given the correct stream ID, the object may be restored using a function of the form:</p> <codeblock id="GUID-2F6D9176-0ED8-5696-9FF8-D347084B9CFB" xml:space="preserve">object.RestoreL(store,streamId)</codeblock> <p>where <codeph>store</codeph> is a reference or pointer to a store.</p> <p>The function names <codeph>StoreL()</codeph> and <codeph>RestoreL()</codeph> are conventional for this purpose.</p> <p>The following diagram shows the idea of stream networks:</p> <fig id="GUID-970A4AE3-62C2-5BFD-990D-96D76735049A"><image href="GUID-6DA5C169-5143-5DDD-B4A0-004D4571D9B8_d0e385622_href.png" placement="inline"/></fig> </conbody></concept>
MCL/sftools/depl/docscontent